Beijing's annual fishing ban on all Chinese waters has been extended in a bid to revive depleting fish stocks.

But one month into the three-and-a-half-month ban, Hong Kong fishermen are struggling with the longer blockade and are asking for government help.

More than half of all fishing vessels in the world operate in the South China Sea.

But some experts say the ban is not enough to revive fish stocks.

Al Jazeera's Divya Gopalan reports from Hong Kong.

Asia Pacific, China, Business & Economy, Hong Kong